fix 4 repr tests due to differences in spacing. r=burningtree.

src/test/run-pass/fixed_length_vec_glue.rs

@@ -12,5 +12,5 @@ fn main() {
     let arr = [1,2,3];
     let struc = {a: 13u8, b: arr, c: 42};
     let s = sys::log_str(&struc);
-    assert(s == ~"{ a: 13, b: [ 1, 2, 3 ], c: 42 }");
+    assert(s == ~"{a: 13, b: [1, 2, 3], c: 42}");
 }

src/test/run-pass/log-str.rs

@@ -10,8 +10,8 @@
 
 fn main() {
     let act = sys::log_str(&~[1, 2, 3]);
-    assert ~"~[ 1, 2, 3 ]" == act;
+    assert ~"~[1, 2, 3]" == act;
 
     let act = fmt!("%?/%6?", ~[1, 2, 3], ~"hi");
-    assert act == ~"~[ 1, 2, 3 ]/ ~\"hi\"";
+    assert act == ~"~[1, 2, 3]/ ~\"hi\"";
 }

src/test/run-pass/rec-align-u32.rs

@@ -62,5 +62,5 @@ fn main() {
     // because `inner`s alignment was 4.
     assert sys::size_of::<outer>() == m::size();
 
-    assert y == ~"{ c8: 22, t: { c64: 44 } }";
+    assert y == ~"{c8: 22, t: {c64: 44}}";
 }

src/test/run-pass/rec-align-u64.rs

@@ -79,5 +79,5 @@ fn main() {
     // because `inner`s alignment was 4.
     assert sys::size_of::<outer>() == m::m::size();
 
-    assert y == ~"{ c8: 22, t: { c64: 44 } }";
+    assert y == ~"{c8: 22, t: {c64: 44}}";
 }